Home / 2,722.53-3,757.05-1,543.58

Finding the Fourth Proportional to 2,722.53, 3,757.05 and 1,543.58

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Solution

The fourth proportional to 2,722.53, 3,757.05 and 1,543.58 is: 2,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.53 : 3,757.05 = 1,543.58 : x
  2. Step 2: Convert to fraction form
    2,722.53/3,757.05 = 1,543.58/x
  3. Step 3: Cross multiply
    2,722.53x = 3,757.05 × 1,543.58
  4. Step 4: Simplify right side
    2,722.53x = 5,799,307.24
  5. Step 5: Solve for x
    x = 5,799,307.24/2,722.53
  6. Step 6: Final answer
    x = 2,130.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.